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Patrick Dempsey turns 47 on January 13, 2013. The actor is known for his work in films such as 'Sweet Home Alabama,' 'Made of Honor,' 'Valentine's Day' and 'Transformers: Dark of the Moon.'
Pictured: Patrick Dempsey appears in a 2012 publicity photo for ABC's 'Grey's Anatomy.'
(Bob D'Amico / ABC)